package com.zlt.miaosha.util;


import org.apache.commons.codec.digest.DigestUtils;

/**
 * @author zhoulitong
 * @date 2018/6/13
 * @description
 */
public class MD5Util {
    /**
     * MD5加密
     *
     * @param src
     * @return
     */
    public static String md5(String src) {
        return DigestUtils.md5Hex(src);
    }

    private static final String salt = "1a2b3c4d";

    /**
     * 第一次md5加密
     *
     * @param inputPass
     * @return
     */
    public static String inputPassToFormPass(String inputPass) {
        String str = salt.charAt(0) + salt.charAt(2) + inputPass + salt.charAt(5) + salt.charAt(4);
        return md5(str);
    }

    public static String formPassToDBPass(String formPass, String salt) {
        String str = salt.charAt(0) + salt.charAt(2) + formPass + salt.charAt(5) + salt.charAt(4);
        return md5(str);
    }

    public static String inputPassToDbPass(String input, String saltDB) {
        String formPass = inputPassToFormPass(input);
        String dbPass = formPassToDBPass(formPass, saltDB);
        return dbPass;
    }

    public static void main(String[] args) {
        //System.out.println(inputPassFormPass("123456"));
        //System.out.println(formPassToDBPass(inputPassFormPass("123456"),"1a2b3c4d"));
        System.out.println(formPassToDBPass("d3b1294a61a07da9b49b6e22b2cbd7f9","1a2b3c4d"));
        //System.out.println(inputPassToDbPass("123456","1a2b3c4d"));
    }
}
